Delete releases described FAILED in helm

clean_failed_helm_release.sh

#!/bin/bash

usage() {
    echo -e "Usage: clean_failed_helm_releases [-h | --help][-d | --dry-run]  \n"
    echo "  -h --help           Prints this message\n"
    echo "  -d --dry-run        Simulate deleting the failed releases with helm"
}


# check for correct argumet number
if [[ $# -gt 1 ]]
then
    usage
    exit 1
fi

while test $# -ge 0; do
        case "$1" in
                -h|--help)
                        usage
                        exit 0
                        ;;
                -d|--dry-run)
                        echo "Dry Run Specified, nothing will be deleted"
                        for i in $(helm list | grep FAILED | awk '{print $1}'); do
                            helm delete "$i" --dry-run
                        done
                        exit 0
                        ;;
                -*)
                        echo -e "INPUT NOT RECOGNIZED\n"
                        usage
                        exit 1
                        ;;
                *)
                        echo -e "DELETING RELEASES\n"
                        for i in $(helm list | grep FAILED | awk '{print $1}'); do
                            helm delete "$i"
                        done
                        exit 0
                        ;;
        esac
done